MESON Chess Problem Database
Problem Display
PID: 155888 (n4KB1/bp2R3/2pk3p/R1p1pp2/7r/2QN3b/5n1q/1r6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd Prize, Problem-Forum, 2011
#2
6 + 14
| 23 | Die Schwalbe | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qxe5#
- 1...Qh1
- 2.Qxe5#
- 1...Qg2
- 2.Qxe5#
- 1...Rb6
- 2.Qxc5#
- 1...Rf4
- 2.Qxe5#
- 1...Bb8
- 2.Qxc5#
- 1...Sb6
- 2.Qxc5#
- 1...e4
- 2.Qf6#
- 1...f4
- 2.Qxe5#
- 1...Qg1
- Tries
- 1.Ke8?
- threat
- 2.Rd7#
- 1...Sb6
- 2.Qxc5#
- 1...f4
- 2.Qxe5#
- 1...Sc7+!
- threat
- 1.Sxe5?
- threat
- 2.Rd7#
- 1...Qxe5
- 2.Qxe5#
- 1...Sb6
- 2.Qxc5#
- 1...f4
- 2.Sc4#
- 1...Rd4!
- threat
- 1.Ke8?
- Keys
- 1.Sxc5!
- threat
- 2.Rd7#
- 1...Bxc5
- 2.Qxc5#
- 1...Sb6
- 2.Sxb7#
- 1...f4
- 2.Qxe5#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD::QAB1(A),XP(g)
- R(a);S_CUTB(l)::QAB1(A),XP(f)
- R(e);S_CUTQ(c)::QAB1(A),XP(g)
- B(l);N_GUARD::QAB1(A),XP(f)
- S(n);S_CUTB(l)::QAB1(A),XP(f)
- P(g);OGATE::QAR2(A)
- P(h);S_CUTQ(c)::QAB1(A),XP(g)
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- R1(D)
- Vars
- S(n);S_CUTB(l)::QAB1(A),XP(f)
- P(h);S_CUTQ(c)::QAB1(A),XP(g)
- Refutation
- S(n);CHECK
- Try
- S(B);XP(g)
- Threat
- R1(D)
- Vars
- Q(c);OGATE,XS(B)::QAB1(A),XQ(c)
- S(n);S_CUTB(l)::QAB1(A),XP(f)
- P(h);S_CUTR(e)::S(B)
- Refutation
- R(e);
- Try
- Actual
- S(B);XP(f)
- Threat
- R1(D)
- Vars
- B(l);OGATE,XS(B)::QAB1(A),XB(l)
- S(n);S_CUTR(a)::S(B),XP(m)
- P(h);S_CUTQ(c)::QAB1(A),XP(g)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).